From d6f6091a4b65df54503b8cccba310fb12c142a4a Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Wed, 3 Nov 2004 16:01:32 +0000
Subject: [PATCH] Initialise some variables $cmd and $status  - thanks Petr

---
 filter/algebra/pix.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/filter/algebra/pix.php b/filter/algebra/pix.php
index adf1a86a5e2..3be6fa71d3e 100644
--- a/filter/algebra/pix.php
+++ b/filter/algebra/pix.php
@@ -11,6 +11,9 @@
     $CFG->texfilterdir     = "filter/tex";
     $CFG->algebraimagedir  = "filter/algebra";
 
+    $cmd = '';      // Initialise these variables
+    $status = '';
+
     error_reporting(E_ALL);
 
     $lifetime = 86400;